Home / 492,247.40-738,371.10-268,298.60

Finding the Fourth Proportional to 492,247.40, 738,371.10 and 268,298.60

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Solution

The fourth proportional to 492,247.40, 738,371.10 and 268,298.60 is: 402,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,247.40 : 738,371.10 = 268,298.60 : x
  2. Step 2: Convert to fraction form
    492,247.40/738,371.10 = 268,298.60/x
  3. Step 3: Cross multiply
    492,247.40x = 738,371.10 × 268,298.60
  4. Step 4: Simplify right side
    492,247.40x = 198,103,932,410.46
  5. Step 5: Solve for x
    x = 198,103,932,410.46/492,247.40
  6. Step 6: Final answer
    x = 402,447.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.